#include <iostream>
#include <cstdio>
#define int long long
using namespace std;

const int N = 1e5 + 5;
int cnt[N];

signed main()
{
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    int n,ans = 0;
    cin >> n;
    for (int i = 1; i <= n; i++)
    {
        int r;
        cin >> r;
        cnt[r]++;
    }
    for (int i = 1; i <= 1e5; i++)
        ans = max(ans,cnt[i]);
    cout << ans;
    return 0;
}
